:root { --language-bar-height: 36px; }
html { scroll-padding-top: 120px; }
body { padding-top: var(--language-bar-height); }
body > header, body header.fixed { top: var(--language-bar-height) !important; }
#lau-language-switcher { position: fixed; inset: 0 0 auto; z-index: 10001; height: var(--language-bar-height); display: flex; align-items: center; justify-content: flex-end; gap: 6px; padding: 0 max(16px, calc((100vw - 1280px)/2)); background: #e8f5f2; color: #163b45; font: 12px/1.4 Arial, 'Microsoft YaHei', sans-serif; border-bottom: 1px solid #c5ded7; }
#lau-language-switcher button { min-width: 40px; min-height: 28px; padding: 4px 10px; border: 0; border-radius: 5px; background: transparent; color: inherit; font: inherit; cursor: pointer; }
#lau-language-switcher button[aria-pressed="true"] { background: #163b45; color: white; font-weight: 700; }
#lau-language-switcher button:hover { box-shadow: inset 0 0 0 1px #163b45; }
#lau-language-switcher button:focus-visible { outline: 2px solid #163b45; outline-offset: 1px; }
#lau-language-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
html[lang="zh-CN"] body { font-family: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif; }
@media (max-width: 767px) { #lau-language-switcher { justify-content: center; } }